Route guide · 152 miles
Cheap Flights from Atlanta to Knoxville
ATL → TYS · Nonstop 0h 49m · Live round-trip fares
If Knoxville is next on your list, here's the honest picture on fares from Atlanta. The trip covers about 152 miles and takes roughly 0h 49m in the air. Prices on this route reward planners: booking 2–4 weeks ahead is the sweet spot, and the lowest fares tend to sell out fast.
Live fares for ATL → TYS are updating. Use the search below for real-time prices.
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See live fares
Updated daily
Flight time
0h 49m
Nonstop, typical
Distance
152 mi
ATL → TYS
Book ahead
2–4 weeks
Best window, typically
Nonstop airlines
3
Alaska Airlines, Delta Air Lines & more
Nonstop flights from Atlanta to Knoxville
The fastest way between the two cities is the nonstop: about 0h 49m for the 152-mile run from ATL to TYS. Those flights are flown by Alaska Airlines, Delta Air Lines, Endeavor Air. Prices behave best when you book 2–4 weeks out.
Booking insights: Atlanta → Knoxville
- Distance: 152 miles · nonstop flight time: 0h 49m.
- Cheapest upcoming week in the live data starts around Oct 22, with fares from $138.
- Fares tend to bottom out when you book about 2–4 weeks ahead — earlier than that rarely helps, later usually hurts.
- Midweek departures (Tue–Thu) are consistently cheaper than weekend flights.
- A free fare alert beats daily checking: we watch this route and ping you when prices drop.
Cheapest month · Atlanta → Knoxville
October 2026
Every date's recent round-trip fare, at a glance.
Fares from
$138
Cheapest: Fri, Oct 23 — $138
Get this fare →Recent fares found for specific dates in October 2026. Blank days had no recent fare in our data — ask our team and we'll check them for you.
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Flying from Atlanta to Knoxville: what you need to know
The flight
At 152 miles, ATL to TYS is one of those quick up-and-down flights: roughly 0h 49m nonstop. There's no meal service to plan around — the decisions that matter here are departure time and which airport entrance traffic is kinder to you.
Airlines on this route
Alaska Airlines, Delta Air Lines and Endeavor Air fly this route nonstop. That matters more than it sounds: the cheapest fare on one carrier is rarely the same product as the cheapest on another. Checked-bag fees, free seat selection and change rules all differ, so compare the full trip cost before you pick a winner. See our airline guides for exactly what each carrier charges — then send an enquiry and we'll confirm the all-in price for your dates.
Leaving from Atlanta (ATL)
Plan to be at the airport two hours before a domestic departure — ninety minutes can work at smaller airports outside peak times, but security lines are the one variable you can't control. If you're checking a bag, add time rather than cutting it close. Our Atlanta airport guide covers terminals, parking and ground transport so you can plan the trip to the airport, not just the flight.
Arriving in Knoxville (TYS)
Before you land, know how you're getting from the airport to where you're staying — it's the part of the trip people forget to plan. The Knoxville airport guide lays out your ground options, from transit and shuttles to rideshares and rental cars. Flying back the other way? Check Knoxville to Atlanta fares — prices on the return direction often move on a different rhythm.
When to book
For a trip of 152 miles, booking 2–4 weeks ahead typically lands you in the sweet spot. Leave it to the final two weeks and prices usually climb as the cheapest seats sell out. If your dates are flexible, midweek departures are where the lower fares hide on most domestic routes.
Good to know before you go
- Morning flights are delayed less often than evening ones — earlier departures have the best on-time record.
- Basic economy fares often exclude checked bags and seat selection. Price the whole trip, not the headline fare.
- Get to the airport two hours before departure; security, not the flight, is the part that runs late.
- If you're traveling with only a carry-on, you can skip the bag-drop line entirely with mobile check-in.
- Download the airline's app before you fly; gate changes and delays show up there first.
Atlanta to Knoxville flight FAQs
How long is the flight from ATL to TYS?
A nonstop from ATL to TYS clocks in at around 0h 49m for the 152-mile trip. If you're connecting, budget an extra 2–4 hours depending on where you stop.
Are there nonstop flights from Atlanta to Knoxville?
Alaska Airlines, Delta Air Lines, Endeavor Air typically operate nonstop flights from ATL to TYS. Nonstops are usually cheapest when booked 2–4 weeks ahead of departure.
What is the cheapest month to fly from Atlanta to Knoxville?
Fares from Atlanta to Knoxville tend to ease outside the peak summer and holiday rush — the late-summer and early-fall shoulder weeks are usually kinder on the wallet. Set a free Airfare Deal alert and we'll flag the dips for your dates.
How much are last minute flights from ATL to TYS?
Last-minute flights from ATL to TYS (booked within 7 days of departure) typically cost noticeably more than fares booked 2–4 weeks out. Booking early is the smarter move.
What is a good round-trip deal from Atlanta to Knoxville?
A good deal is anything at or below the recent fares shown above. Set a free Airfare Deal alert and we'll ping you the moment fares drop.
Which airlines fly from Atlanta to Knoxville?
You'll mainly see Alaska Airlines, Delta Air Lines, Endeavor Air on Atlanta to Knoxville. Checking each against the live fares below is the surest way to find the lowest price for your dates.
How early should I get to Atlanta airport for this flight?
Plan on two hours before departure for a domestic flight — ninety minutes can work at smaller airports outside peak times. If you're checking a bag, earlier is better; the bag-drop line, not the flight, is what runs late.
Do the cheapest fares on this route include a checked bag?
Usually not. Basic economy fares on most airlines include a carry-on but charge extra for checked bags, and seat selection can cost more too. Add up the real total before comparing — a slightly higher regular fare sometimes works out cheaper. Our team confirms the full breakdown with you before you pay.
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